JP7277598B2 - 血液処理フィルター及びその製造方法並びに白血球除去方法 - Google Patents

血液処理フィルター及びその製造方法並びに白血球除去方法 Download PDF

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JP7277598B2
JP7277598B2 JP2021551715A JP2021551715A JP7277598B2 JP 7277598 B2 JP7277598 B2 JP 7277598B2 JP 2021551715 A JP2021551715 A JP 2021551715A JP 2021551715 A JP2021551715 A JP 2021551715A JP 7277598 B2 JP7277598 B2 JP 7277598B2
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Prior art keywords
leukocyte
blood
filter
blood processing
processing filter
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JP2021551715A
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Japanese (ja)
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JPWO2021070928A1 (fr
Inventor
信量 島田
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Asahi Kasei Medical Co Ltd
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Asahi Kasei Medical Co Ltd
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Publication of JPWO2021070928A1 publication Critical patent/JPWO2021070928A1/ja
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621Extra-corporeal blood circuits
    • A61M1/3627Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
    • A61M1/3633Blood component filters, e.g. leukocyte filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/02Blood transfusion apparatus
    • A61M1/0281Apparatus for treatment of blood or blood constituents prior to transfusion, e.g. washing, filtering or thawing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A61M1/3496Plasmapheresis; Leucopheresis; Lymphopheresis
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/04Liquids
    • A61M2202/0413Blood
    • A61M2202/0439White blood cells; Leucocytes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0414Surface modifiers, e.g. comprising ion exchange groups
    • B01D2239/0421Rendering the filter material hydrophilic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0471Surface coating material
    • B01D2239/0492Surface coating material on fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604Arrangement of the fibres in the filtering material
    • B01D2239/0622Melt-blown
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604Arrangement of the fibres in the filtering material
    • B01D2239/0627Spun-bonded
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065More than one layer present in the filtering material
    • B01D2239/0672The layers being joined by welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1233Fibre diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1291Other parameters

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cardiology (AREA)
  • External Artificial Organs (AREA)
JP2021551715A 2019-10-11 2020-10-09 血液処理フィルター及びその製造方法並びに白血球除去方法 Active JP7277598B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019187513 2019-10-11
JP2019187513 2019-10-11
PCT/JP2020/038276 WO2021070928A1 (fr) 2019-10-11 2020-10-09 Filtre de traitement du sang et son procédé de fabrication, et procédé d'élimination de leucocytes

Publications (2)

Publication Number Publication Date
JPWO2021070928A1 JPWO2021070928A1 (fr) 2021-04-15
JP7277598B2 true JP7277598B2 (ja) 2023-05-19

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ID=75438201

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JP2021551715A Active JP7277598B2 (ja) 2019-10-11 2020-10-09 血液処理フィルター及びその製造方法並びに白血球除去方法

Country Status (5)

Country Link
US (1) US20220355002A1 (fr)
EP (1) EP4043085A4 (fr)
JP (1) JP7277598B2 (fr)
CN (1) CN114502254A (fr)
WO (1) WO2021070928A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001032236A1 (fr) 1999-11-01 2001-05-10 Asahi Medical Co., Ltd. Filtre pour enlever selectivement les leucocytes
WO2003106518A1 (fr) 2002-06-17 2003-12-24 旭メディカル株式会社 Polymere biocompatible et filtre permettant d'eliminer selectivement des leucocytes utilisant ce polymere
JP2006280469A (ja) 2005-03-31 2006-10-19 Terumo Corp 医療用ポリエステル製不織布、その製造方法および血液処理フィルター
JP2013540458A (ja) 2010-08-06 2013-11-07 ジヴエッセ ソチエタ ぺル アチオーニ 血液または血液製剤から物質を除去するための改良されたフィルター及びその製造方法
JP2018507011A (ja) 2014-12-30 2018-03-15 コーロン インダストリーズ インク 血液フィルター及びその製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3386195B2 (ja) * 1993-07-15 2003-03-17 旭メディカル株式会社 白血球選択捕捉器及び白血球捕捉装置
JP4565762B2 (ja) 2001-03-26 2010-10-20 旭化成メディカル株式会社 白血球除去フィルター及びその製造方法
US7721898B2 (en) * 2001-07-31 2010-05-25 Asahi Kasei Medical Co., Ltd. Coating material for leukocyte removal filter and the filter
JP2004044010A (ja) * 2002-07-11 2004-02-12 Teijin Ltd ポリトリメチレンテレフタレート繊維の製造方法
JP2006077136A (ja) 2004-09-10 2006-03-23 Asahi Kasei Medical Co Ltd 生体適合性ポリマーの製造方法
JP4754377B2 (ja) * 2006-03-22 2011-08-24 旭化成メディカル株式会社 血液処理用フィルター装置の製造方法及び血液処理用フィルター装置
EP1897571A1 (fr) * 2006-09-06 2008-03-12 Fresenius Hemocare Italia S.r.l. Filtre pour retirer des substance de produits sanguins
JP6477466B2 (ja) * 2013-06-07 2019-03-06 日産化学株式会社 血液フィルター及びその製造方法
CA2933566C (fr) * 2013-12-13 2018-05-22 Asahi Kasei Medical Co., Ltd. Materiau de filtre d'elimination de leucocytes et procede d'elimination de leucocytes
CN107735116B (zh) * 2015-06-17 2021-07-06 旭化成医疗株式会社 血液处理过滤器用过滤部件和血液处理过滤器
US20190209765A1 (en) 2016-08-18 2019-07-11 Asahi Kasei Medical Co., Ltd. Filter element for blood processing filter, blood processing filter and leukocyte removal method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001032236A1 (fr) 1999-11-01 2001-05-10 Asahi Medical Co., Ltd. Filtre pour enlever selectivement les leucocytes
WO2003106518A1 (fr) 2002-06-17 2003-12-24 旭メディカル株式会社 Polymere biocompatible et filtre permettant d'eliminer selectivement des leucocytes utilisant ce polymere
JP2006280469A (ja) 2005-03-31 2006-10-19 Terumo Corp 医療用ポリエステル製不織布、その製造方法および血液処理フィルター
JP2013540458A (ja) 2010-08-06 2013-11-07 ジヴエッセ ソチエタ ぺル アチオーニ 血液または血液製剤から物質を除去するための改良されたフィルター及びその製造方法
JP2018507011A (ja) 2014-12-30 2018-03-15 コーロン インダストリーズ インク 血液フィルター及びその製造方法

Also Published As

Publication number Publication date
US20220355002A1 (en) 2022-11-10
WO2021070928A1 (fr) 2021-04-15
JPWO2021070928A1 (fr) 2021-04-15
CN114502254A (zh) 2022-05-13
EP4043085A4 (fr) 2023-03-08
EP4043085A1 (fr) 2022-08-17

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